19539+1958 J   498

Coord 2000	19539+1958		Discov num	J   498		Comp			Coord arcsec 2000	19 53 54.79 +19 59 01.8
Date first	1911		Date last	2015		Obs	15
Pa first	91		Pa last	81		P.A. Now (θ)	81°
Sep first	1.6		Sep last	2.4		Sep. Now (ρ)	2.4"
Mag pri	10.04		Mag sec	11.35		delta mag (ΔM)	1.31		Spectral class
Pri motion ra	-013		Sec motion ra	-011
Pri motion dec	-004		Sec motion dec	-002
Notes	V (Proper motion indicates physical)

Visually invisible, K-band or other infrared star rPM=0.208 (< 0.3, Physical double) This double is physical.

Precise pa	81.4		Precise sep	2.366		Constellation	Vulpecula		SAO	105397
Tycho2	1624-02111-1		Gaia DR2	37762022784		HD	350742

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
19539+1958	J 498		2001	11	90	2.2	10.04	11.35			195354.79+195901.8
19539+1958	J 498		2015	16	81	2.4	10.04	11.35			195354.79+195901.8

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